81224025

素因数分解:

$3^1\times 5^2\times {\mathrm{347}}^1\times {\mathrm{3121}}^1$

素因数の和:3481

約数の個数: 24

約数和(自身を含む): 134720544

約数和(自身を除く): 53496519

約数列:

[1, 3, 5, 15, 25, 75, 347, 1041, 1735, 3121, 5205, 8675, 9363, 15605, 26025, 46815, 78025, 234075, 1082987, 3248961, 5414935, 16244805, 27074675, 81224025]

約数ペア:

[(1, 81224025), (3, 27074675), (5, 16244805), (15, 5414935), (25, 3248961), (75, 1082987), (347, 234075), (1041, 78025), (1735, 46815), (3121, 26025), (5205, 15605), (8675, 9363)]